A piece of transparent material specifically designed to be placed directly in front of a dial or scale to protect it from foreign matter. It is cut to size and may include a frame. It may have an index line or other marking. See also window, observation; and dial, scale.
Classification: Clock or watch glass; glasses for noncorrective spectagles not optically worked; hollow glass spheres and their segments for the mnfctr ofsuch glasses
NSN 6685-00-469-9323
NSN 5996-00-481-1486
NSN 7035-01-045-3502
NSN 2925-00-613-1576
NSN 6240-01-160-7934
NSN 6650-01-049-5361
NSN 5945-01-572-4438
NSN 5925-01-494-5816
NSN 6320-00-504-1214
NSN 5975-01-052-3489
NSN 5835-01-392-7683
NSN 5910-01-289-7232